Improvement in oil-stills



UNITED STATES PATENT GEEICE.

THOMSON MCGOWAN, OF MEREDITH, AND SAMUEL VAN SYCKEL, OF TITUSVILLE,PENNSYLVANIA.

IMPROVEMENT IN OIL-STILLS.

Specification forming part of Letters Patent No. 156,229, dated October27, i874; application filed July 29, 1874.

To all whom it may concern Beit known that we, THoMsoN McGowAN, ofMeredith, in the county of Venango and State of Pennsylvania, and SAMUELVAN SYCKEL, of Titusville, in the county of Grawford and State ofPennsylvania, have invented certain Improvements in the Distillation ofHydrocarbon-Oils, of which the following is a specification l Ourinvention relates to certain improvements in stills for distillingliquid hydrocarbons and other similar substances; and it consists of astill having an elongated conical bottom extending down below the re,and connected with a receiver for collecting the tar and residuum formedduring the process of distillation, as will be hereinafter described.

The still is also provided with a stirrer or agi-,

tator, to facilitate the removal of the tar or l residuum.

The drawing represents a sectional View of our improved still.

Arepresents the furnace invwhich` the still is set, Which may be ot'brick-work1 or other suitable material; and B represents the still. Saidstill is cylindricalV in its upper part, and the lower part or bottom isin the form of a i cone, extending downward through the bottom of thefurnace, and connected toa receiver, F,

by a short pipe, M, provided with a stop-cock,

4 Within the lower part of the still is a stirrer, t

consisting of a series of blades, D D, arranged upon a revolving shaft,C, extending upward through the top of the still. S represents thefire-'chamber of the furnace, annular in shape,

-to stop the process for its removal.

and surrounding the bottom of the still. Said chamber communicates withthe flue H, leading to the chimney, by means of a series of pipes orflues, E, extending through the still, as shown. The oil or hydrocarbonis admitted to the still by means ofa perforated coil, K, arranged inthe upper or cylindrical part of the same, and the vapors are carriedoliI to an ordinary condenser by means of the pipe or goose-neck I,extending from the upper part or top of the still.

' The operation of our improved still is as follows: The still beingproperly filled and the lire started in the furnace, the hydrocarbonwill be vaporized, as usual. The vapors, as they are generated, willpass over through the goose-neck to the condenser, and the heavierportions, such as tar and residuum, which will not vaporize, will settleto the bottom, and may be drawn off into the receiver from tim to time,as may be desired.

.By the improved still above described a continuous distillation may bekept up, as the hydrocarbon can be admitted through the coiled pipe, asdesired. As there is no collection of residuum in the same, it will notbe necessary It is evident that all deposit or collection or residuum orcoke upon the bottom ofthe still will be thus avoided, and all danger ofburning or injurin g the still will be overcome.

Whatwe claim is- A still for distilling hydrocarbons, and other liquidsimilar substances, having au elongated bottom, extending through andbelow the lire in the furnace, and communicating with a receiver or pit,for collecting the tar and residuum, substantiallyas herein described.

THOMSON MCGOWAN. SAMUEL VAN SYOKEL.

Witnesses HENRY E. WEIGLEY, SAMUEL GRUMBINE.

